Honda Motor Co., Ltd.

Honda Giken Kogyo Kabushiki Kaisha

Norikazu Shimizu

Tsutomu Wakitani

Koji Kuriyagawa

Toshiaki Kawakami

Hajime Yoshimura

Shota Tanabe

Nobuo Yamazaki

Tomohiro Miyauchi

Masakatsu Kono

Jun Ito

Tetsuo Iida

Kenji Kuroiwa

Tsutomu Inui

Takao Kobayashi

Masayuki Sasaoka

Seishu Sakai

Yasumi Fukuzumi

Yoshihiko Yamagishi

Isao Yoshida

Kiyomi Yanai

Masaki Takahashi

Toshiaki Takizawa

Hiroshi Mizuguchi

Joji Maeda

Shinsaku Nakayama

Hiroshi Sueshige

Makoto Uchimi

Kenzo Shimada

Tatsuya Yamazaki

Takahiro Yamamoto

Tomoki Ito

Fumio Minami

Keisuke Muraoka

Shigekazu Sakata

Nobuyuki Hirose

Kentaro Furuya

Hikaru Ikeda

Yoshitaka Ohta

Hiroya Takahashi

Yasunori Yamamoto

Naoki Hiroshima

Takayuki Enomoto

Kunihiko Ishizuka

Yoshio Ohtomo

Taichi Kubota

Takeshi Yamaji

Kenzou Shimada

Yuta Mizuno

A work machine comprises, a drive source, a working unit that includes a rotary member rotated by the drive source and performs a predetermined work by rotation of the rotary member, and a control unit that controls the drive source so that output of the rotary member partially takes different values in one rotation of the rotary member.

Work machine with a rotary member and torque control therefor

A work machine comprising a work unit that performs work on a travel path, an internal combustion engine configured to generate power for driving the work unit, a traveling unit including a front wheel and a rear wheel, an electric motor configured to generate power for driving a first wheel of the front wheel and the rear wheel, a first clutch for switching between transmission and discontinuation of the power from the internal combustion engine to a second wheel of the front wheel and the rear wheel, and a switching control unit configured to control the first clutch based on a power consumption of the electric motor for switching between the transmission and the discontinuation.

Work machine

Provided is electric power equipment that allows a battery to be installed and removed with ease. The electric power equipment () includes a main body () defining a battery receiving recess () having an open upper end, and a battery () configured to be received in the battery receiving recess, wherein an upper part of a front end part of the battery is provided with a projection () projecting in a forward direction, and a rear end part of the battery is provided with a grip, and wherein an upper edge of the front end part of the battery receiving recess is provided with a supporting surface () configured to support a lower surface of the projection at least when the battery is being removed from the battery receiving recess.

Electric power equipment

In a mower provided with a center pivot axle, a control unitcontrols a height adjusting mechanismfor a mowing unitso that a grass cutting height is increased from an initial level when an absolute value of a roll angle of the center pivot axle relative to a vehicle body has exceeded a first roll angle threshold value. A cutting bladeis stopped when the absolute value of the roll angle has exceeded a fourth roll angle threshold value which is greater than the first roll angle threshold value.

Mower provided with center pivot axle

Power equipment such as a riding moweris provided with a center pivot axlefor non-driven wheelsthereof and a rigid axlefor driven wheels. A control unitof the power equipment is configured to accelerate the left driven wheel when a right end up roll angle of the center pivot axle is detected by an axle sensor, and to accelerate the right driven wheel when a left end up roll angle of the center pivot axle is detected by the axle sensor when substantially no steering input of a steering deviceis detected by a steering sensorso that the power equipment may maintain a straight course.

Power equipment provided with center pivot axle

The power equipment such as a lawn mower () comprises an internal combustion engine () having a plurality of cylinders, an engine control unit () for selectively deactivating at least one of the cylinders, a work implement such as a cutting blade () connected to the engine in a power transmitting relationship, a clutch () provided in a power transmission path between the engine and the work implement, and a central control unit () for controlling an operation of a propelling device, the clutch and the engine control unit. The central control unit is configured to operate the engine at a prescribed rotational speed with two or more of the cylinders kept activated when the clutch is engaged and the propelling device is propelling the power equipment forward, and to deactivate at least one of the cylinders when an opening of a throttle valve is below a first prescribed value for a prescribed time period.

Power equipment with cylinder deactivation engine

The lawn mower () comprises an internal combustion engine () having a plurality of cylinders, an engine control unit () for selectively deactivating at least one of the cylinders, a cutting blade () supported by a lawn mower main body via a cutter deck, and connected to the engine in a power transmitting relationship, a clutch () provided in a power transmission path between the engine and the cutting blade, a height adjustment mechanism () provided on the cutter deck for adjusting the height of the cutting blade, and a central control unit () for controlling an operation of the height adjusting mechanism, the clutch and the engine control unit. The central control unit is configured to cause the engine control unit to deactivate at least one of the cylinders when a prescribed operating condition is met, and to raise the cutting blade to a prescribed elevated height before deactivating the at least one of the cylinders.

Lawn mower powered by cylinder deactivation engine

The power equipment such as a lawn mower () comprises an internal combustion engine () having a plurality of cylinders, an engine control unit () for selectively deactivating at least one of the cylinders, a work implement such as a cutting blade () connected to the engine in a power transmitting relationship, a clutch () provided in a power transmission path between the engine and the work implement, and a central control unit () for controlling an operation of a propelling device, the clutch and the engine control unit. The central control unit is configured to start the engine with two or more of the cylinders activated, to cause the engine control unit to operate the engine at a prescribed rotational speed, and to cause the engine control unit to deactivate at least one of the cylinders when the engine has reached a stable state at the prescribed rotational speed.

In an outboard motor having a prime mover, a gear mechanism transmitting a driving force of the prime mover to a propeller, and a gear case housing the gear mechanism, it is configured to have a drain bolt fastened to a drain hole bored at the gear case and constituted as a magnetic member; a stacked portion provided at an exposed part of the drain bolt in an inside of the gear case and having a conductor, an insulator and a resistive element partially making contact with the conductor that are stacked in a gravitational direction; a current detector detecting a current value conducted from the conductor to the drain bolt under a condition where voltage is applied to the conductor; and a wear debris amount detector adapted to detect an amount of wear debris of the gear mechanism deposited at the drain bolt based on the conducted current value.

Outboard motor

Outboard engine body is mounted via a swivel shaft to a stern bracket. Angle sensor, provided on the stern bracket, includes a contact having a maximum operating angle set to be not greater than half of a maximum steered angle of the engine body, and it outputs detection information indicative of an operating angle of the contact. Curved member is provided on the engine body and normally held in engagement with the contact, and it has a continuously varying radius of curvature from the central axis of the swivel shaft, so that the contact varies in operating angle while sliding along a curved outer peripheral surface of the curved member in response to steering operation. Thus, a steered angle is determined on the basis of the detection information from the angle sensor.

Outboard engine unit

A self-propelled snow remover has a machine body, a snow-removing implement mounted to a front part of the machine body for undergoing rolling and vertical movement relative to the machine body, and an operating unit mounted to a rear part of the machine body. An alignment operating member is mounted to the operating unit for rolling and vertically moving the snow-removing implement. The alignment operating member is disposed on one of opposite sides of a widthwise central line of the machine body. A return operating member is mounted to the operating unit for automatically returning the snow-removing implement to a predetermined reference position. The return operating member is disposed proximate to the alignment operating member at a position closer to the widthwise central line of the machine body than the alignment operating member and further towards the rear part of the machine body than the alignment operating member.

Self-propelled snow remover

In an apparatus for controlling a small boat having a hull and two outboard motors mounted on a stern of the hull and an actuator adapted to open/close a throttle valve of each engine of the motors for regulating speed of the engine, acceleration acting on the boat in a direction of gravity axis when the boat ascends or descends the ocean wave and angular acceleration about the gravity is detected and a correction amount of the engine speed is calculated based on the detected acceleration so as to change behavior of the boat, thereby mitigating a burden on the operator and improving stability of the boat.

Control apparatus for small boat

A self-propelled work machine, in which the load of the work unit increases according to an increase in the travel speed. The self-propelled work machine includes electric motors for driving the travel units, an engine for driving the work unit, a work drive instruction unit for instructing the work unit to turn on, and a control unit for controlling the electric motors. The control unit reduces the actual speed of the electric motors by using PID control so that the actual rotational speed of the engine returns to a reference rotational speed when the actual rotational speed of the engine falls below the reference rotational speed in the state in which the work unit is turned on by the work drive instruction unit. The reference rotational speed is a reference value used when the work unit is driven by the engine.

Self-propelled work machine

A walk-behind electric working machine has a frame, an electric motor mounted on the frame, and a handle support section mounted on the frame, the handle support section having a pair of electrical terminals. A handle post has a first end portion for removable connection to the handle support section, a second end portion, and an electrical terminal disposed on an outer peripheral surface of the first end portion for electrical connection with the electrical terminals of the handle support section when the first end portion of the handle post is connected to the handle support section. A handle is removably mounted on the second end portion of the handle post and has handle portions. Grip members are mounted on the respective handle portions and are configured to be gripped by respective hands of an operator. An operation button controls power to operate the electric motor when the electrical terminal of the handle post is electrically connected to the electrical terminals of the handle support section.

Walk-behind electric working machine

A walk-behind self-propelled working machine has a machine body, a working unit mounted on the machine body to perform a working operation, an engine mounted on the machine body to drive the working unit, and a traveling unit mounted on the machine body and drivable to cause the machine body to travel. A control unit controls operations of the working unit and the traveling unit. An operating section is operatable by a human operator to provide signals to the control unit to control operations of the working unit and the traveling unit. A mode selector switch is mounted on the operating section for operation by the human operator to select one working operation mode from among plural alternative working operation modes that are set in advance in the control unit on the basis of a combination of a travel speed of the machine body, a revolving speed of the engine, and an opening of a throttle valve associated with the engine.

Walk-behind self-propelled snow removing machine

Growing community of inventors

Wako, Japan

Norikazu Shimizu